<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './resize'

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '350px'
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    series: {
      type: Array,
      required: true
    },
    xData: {
      type: Array,
      required: true
    },
    titleData: {
      type: Array,
      required: true
    }
  },
  data() {
    return {
      chart: null,
      dateArray: []
    }
  },
  watch: {
    series: {
      deep: true,
      handler(val) {
        this.setOptions(val)
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      this.setOptions(this.series)
    },
    setOptions(value) {
      this.chart.setOption({
        xAxis: {
          data: this.xData,
          // boundaryGap: false,
          axisTick: {
            show: false
          }
        },
        // grid: {
        //   left: 30,
        //   right: 30,
        //   bottom: 20,
        //   top: 30,
        //   containLabel: true
        // },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross'
          }
          // padding: [5, 10]
        },
        yAxis: {
          axisTick: {
            show: false
          }
        },
        legend: {
          data: this.titleData
        },
        series: value
      })
    }
  }
}
</script>
